transgene A2 line|Tg(Ckm-APP*K670N*M671L)A2Lfa http://identifiers.org/mgd/MGI:3720793 Tg(Ckm-APPSw)A2Lfa O A2 line Transgene transgene insertion A2, Frank M LaFerla Tg(Ckm-APP*K670N*M671L)A2Lfa MGI:3720793